Patent US2128556A successfully refreshed from Google Patents.
Patent US3135460A successfully refreshed from Google Patents.
US3135460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1960-10-19
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Granted: 1964-06-02
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Expires: 1980-10-19
Abstract
No abstract record available.
Inventors
- 👤 Galin Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:44
CPC Classifications
F; F04; F04C; F04C28/00; F04C28/24; F04C28/26; F04C18/00; F04C18/30; F04C18/34; F04C18/344; F04C18/3441; F04C18/3442; F04C28/10; F04C28/14; F04C29/00; F04C29/02; F04C29/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A ROTARY COMPRESSOR, THE COMBINATION, A STATIONARY MEMBER, MEANS CARRIED BY SAID STATIONARY MEMBER FORMING A CYLINDRICAL CHAMBER, A ROTATABLE IMPELLER MEMBER MOUNTED IN SAID CHAMBER HAVING ITS AXIS OF ROTATION OFFSET RELATIVE TO THE CENTRAL AXIS OF SAID CHAMBER, SAID ROTATABLE MEMBER HAVING A POINT OF CONTACT WITH ONE PORTION OF THE INNER WALL OF SAID CHAMBER, A VANE CARRIED BY AND SLIDABLY SUPPORTED IN SAID ROTATABLE MEMBER AND SEPARATING SAID CHAMBER INTO SUCTION AND COMPRESSION CHAMBERS, AN OUTLET PORT IN SAID ROTATABLE MEMBER COMMUNICATING WITH SAID COMPRESSION CHAMBER, AN INLET PORT IN SAID WALL AND MEANS FOR SHIFTING THE POSITION OF SAID INLET PORT ABOUT THE CENTRAL AXIS OF SAID CHAMBER RELATIVE TO SAID POINT OF CONTACT SO AS TO VARY THE OUTPUT OF SAID COMPRESSOR.
Claim 2
Dependent Claim
129 words
IN A ROTARY COMPRESSOR, THE COMBINATION, A STATIONARY MEMBER, MEANS CARRIED BY SAID STATIONARY MEMBER FORMING A CYLINDRICAL CHAMBER, A ROTATABLE IMPELLER MEMBER MOUNTED IN SAID CHAMBER HAVING ITS AXIS OF ROTATION OFFSET RELATIVE TO THE CENTRAL AXIS OF SAID CHAMBER, SAID ROTATABLE MEMBER HAVING A POINT OF CONTACT WITH ONE PORTION OF THE INNER WALL OF SAID CHAMBER, A VANE CARRIED BY AND SLIDABLY SUPPORTED IN SAID ROTATABLE MEMBER AND SEPARATING SAID CHAMBER INTO SUCTION AND COMPRESSION CHAMBERS, AN OUTLET PORT IN SAID ROTATABLE MEMBER COMMUNICATING WITH SAID COMPRESSION CHAMBER, AN INLET PORT IN SAID WALL AND MEANS FOR SHIFTING THE POSITION OF SAID INLET PORT ABOUT THE CENTRAL AXIS OF SAID CHAMBER RELATIVE TO SAID POINT OF CONTACT SO AS TO VARY THE OUTPUT OF SAID COMPRESSOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |